Toepler pump

noun

Toep·​ler pump

ˈteplə(r)-

: a gas pump that is used to produce vacuums or to transfer gases from one part of a system to another and that operates by the alternate lowering and raising of a column of mercury with the consequent alternate production of a vacuum in one tube and the exhausting of the gas through another

Word History

Etymology

after August J.I. Toepler †1912 German physicist, its inventor

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